If - 1/2 is a solution of the equation 3x² + 2kx – 3 = 0, find the value of k.
Answers
Answered by
50
Step-by-step explanation:
3(-1/2)²+2k(-1/2)-3
3/4-k-3
3-4k-12=0
-4k-9=0
k,=-9/4
Answered by
10
Answer:
Given, x = -1/2
3x² + 2kx - 3 = 0
3.(-1/2)² + 2k.-1/2 - 3 = 0
3. 1/4 - k - 3 = 0
3 - 4k - 12 = 0
-4k - 9 = 0
k = -9/4
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